Comb



FIG. 1 is a side elevational view of a comb showing my new design, the side opposite being a mirror image of the side shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is an elevational view seen from the left side of FIG. 1, the side opposite being identical to the side shown. 

The ornamental design for a comb, as shown and described. 